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jeremybenn |
/* Test for scanf formats. Formats using C99 features, including cases
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where C99 specifies some aspect of the format to be ignored or where
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the behavior is undefined.
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*/
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/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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/* { dg-do compile { target { *-*-mingw* } } } */
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/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
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#define USE_SYSTEM_FORMATS
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#include "format.h"
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void
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foo (int *ip, unsigned int *uip, short int *hp, unsigned short int *uhp,
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signed char *hhp, unsigned char *uhhp, long int *lp,
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unsigned long int *ulp, float *fp, double *dp, long double *ldp, char *s,
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void **pp, int *n, long long *llp, unsigned long long *ullp, wchar_t *ls,
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short int *hn, signed char *hhn, long int *ln, long long int *lln,
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intmax_t *jp, uintmax_t *ujp, intmax_t *jn, size_t *zp,
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signed_size_t *szp, signed_size_t *zn, ptrdiff_t *tp,
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unsigned_ptrdiff_t *utp, ptrdiff_t *tn)
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{
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/* See ISO/IEC 9899:1999 (E) subclause 7.19.6.2 (pages 281-288).
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We do not repeat here most of the checks for correct C90 formats
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or completely broken formats.
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*/
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/* Valid, invalid and silly assignment-suppression
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and width constructions.
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*/
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scanf ("%*d%*i%*o%*u%*x%*X%*e%*E%*f%*g%*G%*s%*[abc]%*c%*p");
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scanf ("%*2d%*8s%*3c");
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scanf ("%*n", n); /* { dg-warning "suppress" "suppression of %n" } */
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scanf ("%*hd"); /* { dg-warning "together" "suppression with length" } */
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scanf ("%2d%3i%4o%5u%6x%7X%10e%11E%12f%14g%15G%16s%3[abc]%4c%5p",
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ip, ip, uip, uip, uip, uip, fp, fp, fp, fp, fp,
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s, s, s, pp);
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scanf ("%0d", ip); /* { dg-warning "width" "warning for zero width" } */
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scanf ("%3n", n); /* { dg-warning "width" "width with %n" } */
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/* Valid and invalid %h, %hh, %l, %j, %z, %t, %L constructions. */
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scanf ("%hd%hi%ho%hu%hx%hX%hn", hp, hp, uhp, uhp, uhp, uhp, hn);
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scanf ("%he", fp); /* { dg-warning "length" "bad use of %h" } */
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scanf ("%hE", fp); /* { dg-warning "length" "bad use of %h" } */
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scanf ("%hf", fp); /* { dg-warning "length" "bad use of %h" } */
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scanf ("%hg", fp); /* { dg-warning "length" "bad use of %h" } */
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scanf ("%hG", fp); /* { dg-warning "length" "bad use of %h" } */
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scanf ("%hs", hp);
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scanf ("%h[ac]", s); /* { dg-warning "length" "bad use of %h" } */
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scanf ("%hc", (short *)s);
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scanf ("%hp", pp); /* { dg-warning "length" "bad use of %h" } */
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scanf ("%hhd", hhp); /* { dg-warning "unknown|format" "%hh is unsupported" } */
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scanf ("%ld%li%lo%lu%lx%lX%ln", lp, lp, ulp, ulp, ulp, ulp, ln);
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scanf ("%le%lE%lf%lg%lG", dp, dp, dp, dp, dp);
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scanf ("%lp", pp); /* { dg-warning "length" "bad use of %l" } */
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scanf ("%ls", ls);
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scanf ("%l[ac]", ls);
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scanf ("%lc", ls);
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scanf ("%jd", jp); /* { dg-warning "unknown|format" "%j not supported" } */
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scanf ("%zd", zp); /* { dg-warning "unknown|format" "%z not supported" } */
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scanf ("%td", tp); /* { dg-warning "unknown|format" "%t not supported" } */
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scanf ("%Lf", llp); /* { dg-warning "unknown|format" "bad use of %L is not supported" } */
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/* Valid uses of each bare conversion. */
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scanf ("%d%i%o%u%x%X%e%E%f%g%G%s%[abc]%c%p%n%%", ip, ip, uip, uip, uip,
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uip, fp, fp, fp, fp, fp, s, s, s, pp, n);
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}
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